diff --git a/services/src/main/java/org/keycloak/services/resources/admin/UserResource.java b/services/src/main/java/org/keycloak/services/resources/admin/UserResource.java
index f5ed629e32..9ac24c1745 100755
--- a/services/src/main/java/org/keycloak/services/resources/admin/UserResource.java
+++ b/services/src/main/java/org/keycloak/services/resources/admin/UserResource.java
@@ -311,7 +311,7 @@ public class UserResource {
         userSession.setNote(IMPERSONATOR_USERNAME.toString(), impersonator);
 
         AuthenticationManager.createLoginCookie(session, realm, userSession.getUser(), userSession, session.getContext().getUri(), clientConnection);
-        URI redirect = AccountFormService.accountServiceApplicationPage(session.getContext().getUri()).build(realm.getName());
+        URI redirect = AccountFormService.accountServiceBaseUrl(session.getContext().getUri()).build(realm.getName());
         Map<String, Object> result = new HashMap<>();
         result.put("sameRealm", sameRealm);
         result.put("redirect", redirect.toString());
diff --git a/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/admin/ImpersonationTest.java b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/admin/ImpersonationTest.java
index 89404dc4c3..f66382d6d9 100755
--- a/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/admin/ImpersonationTest.java
+++ b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/admin/ImpersonationTest.java
@@ -64,6 +64,7 @@ import org.keycloak.testsuite.pages.LoginPage;
 import org.keycloak.testsuite.util.AdminClientUtil;
 import org.keycloak.testsuite.util.ClientBuilder;
 import org.keycloak.testsuite.util.CredentialBuilder;
+import org.keycloak.testsuite.util.DroneUtils;
 import org.keycloak.testsuite.util.OAuthClient;
 import org.keycloak.testsuite.util.RealmBuilder;
 import org.keycloak.testsuite.util.UserBuilder;
@@ -73,6 +74,7 @@ import javax.ws.rs.ClientErrorException;
 import javax.ws.rs.core.HttpHeaders;
 import javax.ws.rs.core.Response;
 import java.io.IOException;
+import java.net.URL;
 import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.List;
@@ -224,6 +226,8 @@ public class ImpersonationTest extends AbstractKeycloakTest {
         // Open the URL again - should be directly redirected to the app due the SSO login
         driver.navigate().to(loginFormUrl);
         appPage.assertCurrent();
+        //KEYCLOAK-12783
+        Assert.assertEquals("/auth/realms/master/app/auth", new URL(DroneUtils.getCurrentDriver().getCurrentUrl()).getPath());
 
         // Remove test client
         ApiUtil.findClientByClientId(realm, "test-app").remove();